History of Computers

First Calculator

Mar 26, 1939

George Stibitz developed the Complex number Calculator. This is important because it is a strong model for digital computers and it was start in the develop of modern day computers

ERA 1101 drum memory

Mar 15, 1950

In 1950, Engineering Research Associates of Minneapolis built the ERA 1101 drum memory, which was the first commercially produced computer. It is important because it was the first memory for a computer

Storage

Mar 20, 1956

This IBM disk served as a storage component for the Random Access Method of Accouting and Control.
This is important because it was the evolution of magenetic storage, and was another advancement in this type of storage, which was becoming more advanced at that time.

DEC PDP-1

Mar 20, 1960

This computer, on average, included with a cathode ray tube graphic display, need no air conditioning, and only need one operator.
The reason why I selected this minicomputer, is because this was most likely the start to computers without air conditioning and one operator.

Metal Oxide Semiconductor

Mar 26, 1967

The Farechild Camera and Instrumental Corp. built this metal oxide semicomductor that was for data proccessing. It was an 8 bit arithemtic unit and accumulator.
This is important to the history of computers because it was another computer chip that contributed to the development of our computer today

Computers

Mar 26, 1973

The computer was a typewritter. It was designed by Don Lancaster. It is important because not very many people owned or knew what the typewritter was. It was also a slight prototype for computers (the development of what computers looked like

Companies

Mar 26, 1975

Xerox closes the computer division. Most of the rights to the machines were sold to Honeywell. This is important because a lot of companies used computers. Also, it was a start to a computer company for commerical sold computers

Computers

Mar 26, 1982

The comrode computer was introduced. It was sold for $595 This is important because this computer was sold to the pubilc and it is a model of computer that we still use today

Networking

Mar 26, 1993

Mosaic web browser was released.
I chose this because it was basically the first "google" persay, which was a huge development in the technology and software

Amazon

Mar 26, 1995

Amazon. com was founded by Jeff Bezos This is important because amzon is now very popular website. It also provides people with many needed things. Finally, it is important because it was the first big online company to develop